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Originally Posted by hkellogg
would a bad pickup coil really cause low idle ? I figured i'd be looking at vacuum issues somewhere or bad injectors I mean wouldn't a bad pickup cause a misfire condition
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It can cause a low idle but yes you would probably feel a misfire.
If you have access to a scan tool, you should see if the Engine Coolant Temp sensor is correct. Also see if the MAP sensor is holding a vacuum.
Fuel pressure should be 9 - 13 PSI; however, you need a special tool to test it.
//2000CAYukon